TEST II. Solve for PE and KE 1. A roller coaster of mass 2000 kg is rolling down a track with an instantaneous speed of 10 m/s. What is its kinetic energy? 2. What is the potential energy of the 30kg object at the height of 30 meters?

Q: 1. If you observe a photon of light with a wavelength A = 495 nm what is its frequency (use equation…

A: Given : Wavelength = 495 nm = 495*10-9 m

Q: A flat coil of wire, consisting of 20 circular loops with a total resistance of 20.0 2, is placed so…

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Q: Two small spheres with mass m = 14.4 g are hung by silk threads of length L = 1.25 m from a common…

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Q: Answer B is saying it is wrong.

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Q: The speed of the solar wind is approximately 400 km/s. How many days does the solar wind take to…

A: The above problem can be solved by using the concept of speed and distance. Since the distance…

Q: QUESTIONS 1. Suppose that an electroscope is electrically neutral. Can this neutral electroscope be…

A: Electroscope:- Based on the Coulomb electrostatic force, which moves the test charge, the…

Q: 1.5 2 A дока 1 1 1 1.741 1.425 FISH 2.236 .8 1.25 Ф .6 B А 14 0.3 Ө 1.5 1.20 1.00

A: Unknown quantities in given right angle triangles.

Q: Problem 2: For the image shown, the capacitors have the following values: C1 = 2.95*10^-6, C2 =…

A: Given,   Total capacitance, C = 5.94×10-6 F               Potential (V) =  81 V

Q: and Vout.b out,a a) Find the Thévenin equivalent voltage between the output terminals V.

A: a. Applying KCL at node A, I5+I8-I20=0⇒VA-725+VA-VTH8-0-VA20=0⇒0.375 VA-0.125VTH=14.4  ......(1)…

Q: (ii) A mass of 4 kg is attached to a spring and rests on a horizontal surface. The mass is then…

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Q: 5) The energy levels of a quantum mechanical system are given by the equation: En hfo f = 10*Hz n =…

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Q: How many electrons must be removed from a neutral object to leave a net charge of Q2 = 1.7 µC?

A: Given: In this question, the given details are, Here, the given value of the net charge is,  Q2=1.7…

Q: (3) The impulse J that an object experiences can be calculated as: j = vAt avg Note that the impulse…

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Q: (a) When a wave moves through water, how do the water particles behave? b) What is actually moving…

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Q: A 3.50-kg object is attached to a spring and placed on frictionless, horizontal surface. A…

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Q: The distance between Saturn and the sun is approximately 8.9 × 108 mi. The speed of light is…

A: Given data:  Distance between Saturn and the sun (d) = 8.9×108 mi The speed of light (v) = 1.9×105…

Q: its not 2.42

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Q: Assume the following six statements are correct: Q = 4.19 m²/s R = 7.24 x 10-4 kg S = 1.23 kg m / s²…

A: Q = 4.19 m2sR = 7.24×10-4 kg S = 1.23 kg.ms2T = 2.88×10-3 kgmU = 12.3 kg2m2s3V = 1.01×10-6 sIt is…

Q: Problem 1 Consider a toy made out of a ball attached to a 7 inch string attached to a pole. The pole…

A: If a particle moves in a circle with a uniform speed, it is said to execute a uniform circular…